如果在上述昌化冻石中有“血”者则为上品“鸡血石”。所谓鸡血，实是朱砂（辰砂），即一种特殊的汞矿石，鲜红色。

    昌化石分为鸡血石、冻彩石、软彩石三大类和从属的70多个品种。昌化石品种称谓的来源，大致有如下几方面：（一）比喻词。把某些品种比作极相似的物体的姿色形貌。如“牛角冻”、“羊脂冻”、“肉糕冻”、“玻璃冻”等，使这类品种的姿色更加形象，更具特色。（二）借用词。借用词也有比喻的意义，但因为某些品种同有些著称于世的宝玉石品种极为相似，便借用了这些宝玉石的名称，如“田黄冻”、“冻”、“象牙白”等，引发人们的联想、比较，把握昌化石的身价。（三）色象词。如“银灰冻”、“冻”、“酱色石”、“粉红石”等，直接以某些品种的色象命名，比较便口、自然、直观。（四）文人雅语。有的石材姿色尤为撩人喜爱，个性突出，给文人冠上了雅号，时间一长，也自然被大家接受，如“刘关张”、“黑旋风”等。这样的称谓增添了石格的品评韵味，避免了平白之弊。

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                                      昌化红韵玛瑙纹黄花冻

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                       注：【以上图片来自于网络，加以整理编辑以便说明】